‏الأيمان : Hadeeth No:4058 'Adi reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: When anyone amongst you takes an oath, but he finds (something) better than that he should expiate (the breaking of the oath), and do that which is better....

‏الطلاق : Hadeeth No:3495 Ibn Abbas (Allaah be pleased with them) reported: When a man declares his wife unlawful for himself that is an oath which must be atoned, and he said: There is in the Messenger of Allaah (sallAllaahu alayhi wa sallam) a noble pattern for you....